Mountain Mari Language Day
Celebrated on 28 OctoberMountain Mari Language Day
Other holidays on 28 October
- Grandparents Day in Russia
- World Judo Day
- All-Russian Gymnastics Day
- Winter Day (Winter Nights) among the pagans (Scandinavian New Year)
- International Animation Day
- Day of the creation of Russian Army Aviation
- Homemade Cookie Day
- Birthday of the Moscow water supply system
- Wild Foods Day
- Folk calendar - Efimy Autumn
- Plush Animal Lover's Day
- Day of the liberation of Ukraine from fascist invaders
- Czech Independence Day
- Ochi Day in Greece
- Ochi Day in Cyprus
- Orthodox holidays on October 28:
- Orthodox holidays - Memorial Day of St. Euthymius of New Thessalonica
- Feast of the Icon of the Mother of God "Spreader of the Loaves"
- Memorial Day of the Venerable Martyr Lucian of Antioch
- Dimitrievskaya (Dmitrievskaya) parent's Saturday